Name Size Creator Creation Date Labels Comment  
PDF File 2332343.pdf 2.60 MB Shaun Ewing Oct 19, 1943 00:00
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US-2332343-A // Ceramic material // Rigterink Merle D. // Bell Telephone Labor Inc
PDF File 2332338.pdf 317 kB Shaun Ewing Oct 19, 1943 00:00
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US-2332338-A // Contact making device // Jr. Robert Lee Peek, // Bell Telephone Labor Inc
PDF File 2332290.pdf 1.41 MB Shaun Ewing Oct 19, 1943 00:00
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US-2332290-A // Communication system // Baumfalk John // Bell Telephone Labor Inc
PDF File 2332120.pdf 318 kB Shaun Ewing Oct 19, 1943 00:00
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US-2332120-A // Mechanical wave filter // Sykes Roger A. // Bell Telephone Labor Inc
PDF File 2332112.pdf 469 kB Shaun Ewing Oct 19, 1943 00:00
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US-2332112-A // Cable ring // Pritchard William T. // Bell Telephone Labor Inc
PDF File 2332102.pdf 342 kB Shaun Ewing Oct 19, 1943 00:00
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US-2332102-A // Negative transconductance tube oscillator // Mason Warren P. // Bell Telephone Labor Inc
PDF File 2332091.pdf 533 kB Shaun Ewing Oct 19, 1943 00:00
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US-2332091-A // Ventilating system for telephone booths // Kuhn John J. // Bell Telephone Labor Inc
PDF File 2332073.pdf 633 kB Shaun Ewing Oct 19, 1943 00:00
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US-2332073-A // Electric circuit control // Grierson Cyrus A. W. // Bell Telephone Labor Inc
PDF File 2332043.pdf 1.26 MB Shaun Ewing Oct 19, 1943 00:00
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US-2332043-A // Signaling system // Atkins George E. // Bell Telephone Labor Inc
PDF File 2332018.pdf 497 kB Shaun Ewing Oct 19, 1943 00:00
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US-2332018-A // Coin collector // Shann Oscar A. // Bell Telephone Labor Inc
PDF File 2332015.pdf 470 kB Shaun Ewing Oct 19, 1943 00:00
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US-2332015-A // Communication system // Scheer William H. // Bell Telephone Labor Inc
PDF File 2331530.pdf 601 kB Shaun Ewing Oct 12, 1943 00:00
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US-2331530-A // Electric wave circuit // Zinn Manvel K. // Bell Telephone Labor Inc
PDF File 2331514.pdf 867 kB Shaun Ewing Oct 12, 1943 00:00
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US-2331514-A // Switching mechanism // Stibitz George R. // Bell Telephone Labor Inc
PDF File 2331411.pdf 605 kB Shaun Ewing Oct 12, 1943 00:00
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US-2331411-A // Regulated rectifier // Milarta Louis E. // Bell Telephone Labor Inc
PDF File 2331398.pdf 653 kB Shaun Ewing Oct 12, 1943 00:00
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US-2331398-A // Electronic discharge device // Ingram Sydney B. // Bell Telephone Labor Inc
PDF File 2331391.pdf 1.10 MB Shaun Ewing Oct 12, 1943 00:00
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US-2331391-A // Signaling system // Hague Alfred E. // Bell Telephone Labor Inc
PDF File 2330107.pdf 416 kB Shaun Ewing Sept 21, 1943 00:00
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US-2330107-A // 1,10 decanolamine and method of producing it // Bishop William S. // Bell Telephone Labor Inc
PDF File 2329792.pdf 1.02 MB Shaun Ewing Sept 21, 1943 00:00
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US-2329792-A // Electron discharge device circuit // Skellett Albert M. // Bell Telephone Labor Inc
PDF File 2329764.pdf 222 kB Shaun Ewing Sept 21, 1943 00:00
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US-2329764-A // Relay circuit // Ingram Sydney B. // Bell Telephone Labor Inc
PDF File 2329519.pdf 825 kB Shaun Ewing Sept 14, 1943 00:00
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US-2329519-A // Reduction of cross talk // Dixon John T. // Bell Telephone Labor Inc
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